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High-speed imaging reveals that the squeak of soft–rigid frictional interfaces, like sneakers sliding on a basketball court, arises from intersonic opening slip pulses—analogous to earthquake ruptures—that thin ridges on the rubber confine to repeat at a musical frequency.
，详情可参考雷速体育
В российском городе дерево рухнуло на жилой дом20:51，这一点在同城约会中也有详细论述
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